home/rc/tools/git.kak

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declare-option -docstring "name of the client in which documentation is to be displayed" \
str docsclient
hook -group git-log-highlight global WinSetOption filetype=git-log %{
require-module diff
add-highlighter window/git-log group
add-highlighter window/git-log/ regex '^([*|\\ /_.-])*' 0:keyword
add-highlighter window/git-log/ regex '^( ?[*|\\ /_.-])*\h{,3}(commit )?(\b[0-9a-f]{4,40}\b)' 2:keyword 3:comment
add-highlighter window/git-log/ regex '^( ?[*|\\ /_.-])*\h{,3}([a-zA-Z_-]+:) (.*?)$' 2:variable 3:value
add-highlighter window/git-log/ ref diff # highlight potential diffs from the -p option
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/git-log }
}
hook -group git-status-highlight global WinSetOption filetype=git-status %{
require-module diff
add-highlighter window/git-status group
add-highlighter window/git-status/ regex '^## ' 0:comment
add-highlighter window/git-status/ regex '^## (\S*[^\s\.@])' 1:green
add-highlighter window/git-status/ regex '^## (\S*[^\s\.@])(\.\.+)(\S*[^\s\.@])' 1:green 2:comment 3:red
add-highlighter window/git-status/ regex '^(##) (No commits yet on) (\S*[^\s\.@])' 1:comment 2:Default 3:green
add-highlighter window/git-status/ regex '^## \S+ \[[^\n]*ahead (\d+)[^\n]*\]' 1:green
add-highlighter window/git-status/ regex '^## \S+ \[[^\n]*behind (\d+)[^\n]*\]' 1:red
add-highlighter window/git-status/ regex '^(?:([Aa])|([Cc])|([Dd!?])|([MUmu])|([Rr])|([Tt]))[ !\?ACDMRTUacdmrtu]\h' 1:green 2:blue 3:red 4:yellow 5:cyan 6:cyan
add-highlighter window/git-status/ regex '^[ !\?ACDMRTUacdmrtu](?:([Aa])|([Cc])|([Dd!?])|([MUmu])|([Rr])|([Tt]))\h' 1:green 2:blue 3:red 4:yellow 5:cyan 6:cyan
add-highlighter window/git-status/ regex '^R[ !\?ACDMRTUacdmrtu] [^\n]+( -> )' 1:cyan
add-highlighter window/git-status/ regex '^\h+(?:((?:both )?modified:)|(added:|new file:)|(deleted(?: by \w+)?:)|(renamed:)|(copied:))(?:.*?)$' 1:yellow 2:green 3:red 4:cyan 5:blue 6:magenta
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/git-status }
}
hook -group git-show-branch-highlight global WinSetOption filetype=git-show-branch %{
require-module diff
add-highlighter window/git-show-branch group
add-highlighter window/git-show-branch/ regex '(\*)|(\+)|(!)' 1:red 2:green 3:green
add-highlighter window/git-show-branch/ regex '(!\D+\{0\}\])|(!\D+\{1\}\])|(!\D+\{2\}\])|(!\D+\{3\}\])' 1:red 2:green 3:yellow 4:blue
add-highlighter window/git-show-branch/ regex '(\B\+\D+\{0\}\])|(\B\+\D+\{1\}\])|(\B\+\D+\{2\}\])|(\B\+\D+\{3\}\])|(\B\+\D+\{1\}\^\])' 1:red 2:green 3:yellow 4:blue 5:magenta
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/git-show-branch}
}
declare-option -hidden line-specs git_blame_flags
declare-option -hidden line-specs git_diff_flags
declare-option -hidden int-list git_hunk_list
define-command -params 1.. \
-docstring %{
git [<arguments>]: git wrapping helper
All the optional arguments are forwarded to the git utility
Available commands:
add
rm
reset
blame
commit
checkout
diff
hide-blame
hide-diff
init
log
next-hunk
previous-hunk
show
show-branch
show-diff
status
update-diff
grep
} -shell-script-candidates %{
if [ $kak_token_to_complete -eq 0 ]; then
printf "add\nrm\nreset\nblame\ncommit\ncheckout\ndiff\nhide-blame\nhide-diff\nlog\nnext-hunk\nprev-hunk\nshow\nshow-branch\nshow-diff\ninit\nstatus\nupdate-diff\ngrep\n"
else
case "$1" in
commit) printf -- "--amend\n--no-edit\n--all\n--reset-author\n--fixup\n--squash\n"; git ls-files -m ;;
add) git ls-files -dmo --exclude-standard ;;
rm|grep) git ls-files -c ;;
esac
fi
} \
git %{ evaluate-commands %sh{
cd_bufdir() {
dirname_buffer="${kak_buffile%/*}"
cd "${dirname_buffer}" 2>/dev/null || {
printf 'fail Unable to change the current working directory to: %s\n' "${dirname_buffer}"
exit 1
}
}
show_git_cmd_output() {
local filetype
local map_diff_goto_source
case "$1" in
diff) map_diff_goto_source=true; filetype=diff ;;
show) map_diff_goto_source=true; filetype=git-log ;;
show-branch) filetype=git-show-branch ;;
log) filetype=git-log ;;
status) filetype=git-status ;;
*) return 1 ;;
esac
output=$(mktemp -d "${TMPDIR:-/tmp}"/kak-git.XXXXXXXX)/fifo
mkfifo ${output}
( git "$@" > ${output} 2>&1 & ) > /dev/null 2>&1 < /dev/null
# We need to unmap in case an existing buffer changes type,
# for example if the user runs "git show" and "git status".
map_diff_goto_source=$([ -n "${map_diff_goto_source}" ] \
&& printf %s "map buffer normal <ret> :git-diff-goto-source<ret> -docstring 'Jump to source from git diff'" \
|| printf %s "unmap buffer normal <ret> :git-diff-goto-source<ret>")
printf %s "evaluate-commands -try-client '$kak_opt_docsclient' %{
edit! -fifo ${output} *git*
set-option buffer filetype '${filetype}'
hook -always -once buffer BufCloseFifo .* %{ nop %sh{ rm -r $(dirname ${output}) } }
${map_diff_goto_source}
}"
}
run_git_blame() {
(
cd_bufdir
printf %s "evaluate-commands -client '$kak_client' %{
try %{ add-highlighter window/git-blame flag-lines Information git_blame_flags }
set-option buffer=$kak_bufname git_blame_flags '$kak_timestamp'
}" | kak -p ${kak_session}
git blame "$@" --incremental ${kak_buffile} | awk '
function send_flags(flush, text, i) {
if (line == "") { return; }
text=substr(sha,1,8) " " dates[sha] " " authors[sha]
# gsub("|", "\\|", text)
gsub("~", "~~", text)
for ( i=0; i < count; i++ ) {
flags = flags " %~" line+i "|" text "~"
}
now = systime()
# Send roughly one update per second, to avoid creating too many kak processes.
if (!flush && now - last_sent < 1) {
return
}
cmd = "kak -p " ENVIRON["kak_session"]
print "set-option -add buffer=" ENVIRON["kak_bufname"] " git_blame_flags " flags | cmd
close(cmd)
flags = ""
last_sent = now
}
/^([0-9a-f]+) ([0-9]+) ([0-9]+) ([0-9]+)/ {
send_flags(0)
sha=$1
line=$3
count=$4
}
/^author / { authors[sha]=substr($0,8) }
/^author-time ([0-9]*)/ { dates[sha]=strftime("%F %T", $2) }
END { send_flags(1); }'
) > /dev/null 2>&1 < /dev/null &
}
run_git_cmd() {
if git "${@}" > /dev/null 2>&1; then
printf %s "echo -markup '{Information}git $1 succeeded'"
else
printf 'fail git %s failed\n' "$1"
fi
}
update_diff() {
(
cd_bufdir
git --no-pager diff --no-ext-diff -U0 "$kak_buffile" | perl -e '
$flags = $ENV{"kak_timestamp"};
foreach $line (<STDIN>) {
if ($line =~ /@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))?/) {
$from_line = $1;
$from_count = ($2 eq "" ? 1 : $2);
$to_line = $3;
$to_count = ($4 eq "" ? 1 : $4);
if ($from_count == 0 and $to_count > 0) {
for $i (0..$to_count - 1) {
$line = $to_line + $i;
$flags .= " $line|\{green\}+";
}
}
elsif ($from_count > 0 and $to_count == 0) {
if ($to_line == 0) {
$flags .= " 1|\{red\}‾";
} else {
$flags .= " $to_line|\{red\}_";
}
}
elsif ($from_count > 0 and $from_count == $to_count) {
for $i (0..$to_count - 1) {
$line = $to_line + $i;
$flags .= " $line|\{blue\}~";
}
}
elsif ($from_count > 0 and $from_count < $to_count) {
for $i (0..$from_count - 1) {
$line = $to_line + $i;
$flags .= " $line|\{blue\}~";
}
for $i ($from_count..$to_count - 1) {
$line = $to_line + $i;
$flags .= " $line|\{green\}+";
}
}
elsif ($to_count > 0 and $from_count > $to_count) {
for $i (0..$to_count - 2) {
$line = $to_line + $i;
$flags .= " $line|\{blue\}~";
}
$last = $to_line + $to_count - 1;
$flags .= " $last|\{blue+u\}~";
}
}
}
print "set-option buffer git_diff_flags $flags"
' )
}
jump_hunk() {
direction=$1
set -- ${kak_opt_git_diff_flags}
shift
if [ $# -lt 1 ]; then
echo "fail 'no git hunks found'"
exit
fi
# Update hunk list if required
if [ "$kak_timestamp" != "${kak_opt_git_hunk_list%% *}" ]; then
hunks=$kak_timestamp
prev_line="-1"
for line in "$@"; do
line="${line%%|*}"
if [ "$((line - prev_line))" -gt 1 ]; then
hunks="$hunks $line"
fi
prev_line="$line"
done
echo "set-option buffer git_hunk_list $hunks"
hunks=${hunks#* }
else
hunks=${kak_opt_git_hunk_list#* }
fi
prev_hunk=""
next_hunk=""
for hunk in ${hunks}; do
if [ "$hunk" -lt "$kak_cursor_line" ]; then
prev_hunk=$hunk
elif [ "$hunk" -gt "$kak_cursor_line" ]; then
next_hunk=$hunk
break
fi
done
wrapped=false
if [ "$direction" = "next" ]; then
if [ -z "$next_hunk" ]; then
next_hunk=${hunks%% *}
wrapped=true
fi
if [ -n "$next_hunk" ]; then
echo "select $next_hunk.1,$next_hunk.1"
fi
elif [ "$direction" = "prev" ]; then
if [ -z "$prev_hunk" ]; then
wrapped=true
prev_hunk=${hunks##* }
fi
if [ -n "$prev_hunk" ]; then
echo "select $prev_hunk.1,$prev_hunk.1"
fi
fi
if [ "$wrapped" = true ]; then
echo "echo -markup '{Information}git hunk search wrapped around buffer'"
fi
}
commit() {
# Handle case where message needs not to be edited
if grep -E -q -e "-m|-F|-C|--message=.*|--file=.*|--reuse-message=.*|--no-edit|--fixup.*|--squash.*"; then
if git commit "$@" > /dev/null 2>&1; then
echo 'echo -markup "{Information}Commit succeeded"'
else
echo 'fail Commit failed'
fi
exit
fi <<-EOF
$@
EOF
# fails, and generate COMMIT_EDITMSG
GIT_EDITOR='' EDITOR='' git commit "$@" > /dev/null 2>&1
msgfile="$(git rev-parse --git-dir)/COMMIT_EDITMSG"
printf %s "edit '$msgfile'
hook buffer BufWritePost '.*\Q$msgfile\E' %{ evaluate-commands %sh{
if git commit -F '$msgfile' --cleanup=strip $* > /dev/null; then
printf %s 'evaluate-commands -client $kak_client echo -markup %{{Information}Commit succeeded}; delete-buffer'
else
printf 'evaluate-commands -client %s fail Commit failed\n' "$kak_client"
fi
} }"
}
case "$1" in
show|show-branch|log|diff|status)
show_git_cmd_output "$@"
;;
blame)
shift
run_git_blame "$@"
;;
hide-blame)
printf %s "try %{
set-option buffer=$kak_bufname git_blame_flags $kak_timestamp
remove-highlighter window/git-blame
}"
;;
show-diff)
echo 'try %{ add-highlighter window/git-diff flag-lines Default git_diff_flags }'
update_diff
;;
hide-diff)
echo 'try %{ remove-highlighter window/git-diff }'
;;
update-diff) update_diff ;;
next-hunk) jump_hunk next ;;
prev-hunk) jump_hunk prev ;;
commit)
shift
commit "$@"
;;
init)
shift
git init "$@" > /dev/null 2>&1
;;
add|rm)
cmd="$1"
shift
run_git_cmd $cmd "${@:-${kak_buffile}}"
;;
reset|checkout)
run_git_cmd "$@"
;;
grep)
shift
enquoted="$(printf '"%s" ' "$@")"
printf %s "try %{
set-option current grepcmd 'git grep -n --column'
grep $enquoted
set-option current grepcmd '$kak_opt_grepcmd'
}"
;;
*)
printf "fail unknown git command '%s'\n" "$1"
exit
;;
esac
}}
# Works within :git diff and :git show
define-command git-diff-goto-source \
-docstring 'Navigate to source by pressing the enter key in hunks when git diff is displayed. Works within :git diff and :git show' %{
require-module diff
diff-jump %sh{ git rev-parse --show-toplevel }
}